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usb: gadget: composite: Clear reserved fields of SSP Dev Cap

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Set the reserved fields of the SuperSpeed Plus Device Capability
descriptor to 0. Otherwise there might be stale data there which will
cause USB CV to fail.

Fixes: f228a8de24 ("usb: gadget: composite: Return SSP Dev Cap descriptor")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
John Youn
2016-04-08 14:46:31 -07:00
committed by Felipe Balbi
parent c3b46c7326
commit 138b8638bb
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/composite.c
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@@ -651,6 +651,8 @@ static int bos_desc(struct usb_composite_dev *cdev)
ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1);
ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE;
ssp_cap->bReserved = 0;
ssp_cap->wReserved = 0;
/* SSAC = 1 (2 attributes) */
ssp_cap->bmAttributes = cpu_to_le32(1);